Fri, 31 Oct 2008 10:39:04 +0100 berghofe Theorem "_" is now stored with open derivation.
Fri, 31 Oct 2008 10:37:34 +0100 berghofe Removed argument prf2 in rewrite rules for equal_elim to make them applicable
Fri, 31 Oct 2008 10:35:30 +0100 berghofe Replaced arbitrary by undefined.
(0) -10000 -3000 -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip